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145893863 is a prime number
BaseRepresentation
bin10001011001000…
…10100111100111
3101011112011202102
420230202213213
5244322100423
622251002315
73421035353
oct1054424747
9334464672
10145893863
1175398245
1240a3939b
13242c1c3b
141553a463
15cc1cc28
hex8b229e7

145893863 has 2 divisors, whose sum is σ = 145893864. Its totient is φ = 145893862.

The previous prime is 145893857. The next prime is 145893887. The reversal of 145893863 is 368398541.

145893863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145893863 - 218 = 145631719 is a prime.

It is a super-2 number, since 2×1458938632 = 42570038522125538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145893893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72946931 + 72946932.

It is an arithmetic number, because the mean of its divisors is an integer number (72946932).

Almost surely, 2145893863 is an apocalyptic number.

145893863 is a deficient number, since it is larger than the sum of its proper divisors (1).

145893863 is an equidigital number, since it uses as much as digits as its factorization.

145893863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 47.

The square root of 145893863 is about 12078.6531947896. The cubic root of 145893863 is about 526.4361139489.

The spelling of 145893863 in words is "one hundred forty-five million, eight hundred ninety-three thousand, eight hundred sixty-three".